How far is Roma, TX from San Antonio, TX?
Distance by Flight
Shortest distance between Roma and San Antonio is 211.02 miles (339.6 km).
Flight distance from Roma, TX to San Antonio, TX is 211.02 miles. Estimated flight time is 00 hours 30 minutes.
It takes 00 hours 27 minutes to travel from Roma to San Antonio with an airplane (average speed of 550 miles).
Driving distance
The driving distance from Roma, Texas to San Antonio, Texas is: 249.93 miles (402.22 km) by car.
Driving from Roma to San Antonio will take approximately 03 hours 55 minutes.
#1 Roma
City in Starr County, Texas, United States of America
| Population | 11476 |
|---|---|
| GPS Coordinates | 26°24'18"N 99°0'57"W |
| Latitude | 26.4050600 |
| Longitude | -99.0158600 |
| Altitude | 65 |
| Country | United States |
#2 San Antonio
The seventh most populous city in the United States and the center of the San Antonio metropolitan area. It is located on the San Antonio River, in southern Texas. San Antonio is a major center for the tourism industry.
| Population | 1567118 |
|---|---|
| GPS Coordinates | 29°25'27"N 98°29'37"W |
| Latitude | 29.4241200 |
| Longitude | -98.4936300 |
| Altitude | 198 |
| Country | United States |
Ending point in San Antonio: Dolorosa Street (-98.493645,29.424163)
Estimated Travel Time Between Roma and San Antonio
The distance between Roma and San Antonio is 402 km if you choose to drive by road. You can go 04 hours 28 minutes if you drive your car at an average speed of 90 kilometers / hour. For different choices, please review the avg. speed travel time table on the below.
There is no time difference between Roma and San Antonio. The current time is 03:54:41.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 08 hours 19 minutes |
| 40 mph (64.37 km/h) | 06 hours 14 minutes |
| 50 mph (80.47 km/h) | 04 hours 59 minutes |
| 60 mph (96.56 km/h) | 04 hours 09 minutes |
| 70 mph (112.65 km/h) | 03 hours 34 minutes |
| 75 mph (120.7 km/h) | 03 hours 19 minutes |
| 80 mph (128.75 km/h) | 03 hours 07 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 33.38 liters (8.82 gallon) of gas to cover the route between Roma and San Antonio.
The estimated cost of gas to go from Roma to San Antonio is $26.64 (diesel $35.22).
Texas gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.02 | $3.45 | $3.78 | $3.99 |
| Total | $26.64 | $30.38 | $33.31 | $35.22 |
Take a look at our Gas Cost Calculator feature. It will figure out how much it will cost to drive this particular distance.
The average gas price (in Texas ) per gallon of daily gas for calculations is $3.021 (Diesel $3.993) /gallon. Last changed prices on December 22, 2024.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Roma and San Antonio (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.
